How to Read a Caliper

By Barbara Anderegg

In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.

Reading a Micrometer

By Sue Silverstein

In this learning activity you'll practice reading a micrometer.

The MOD 10 Counter

By Patrick Hoppe

The technique for designing a MOD 10 counter is introduced. Asynchronous inputs of a JK flip-flop are used to clear the counter.

Calculating Lengths for Tube Bending

By Dave Hoffman

The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.

Print Reading: An Alphabet of Lines in Print Reading

By Kelly Curran

In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.

The 7493 IC Binary Counter

By Terry Bartelt

In this interactive and animated object, learners examine the construction of a 7493 IC as mod-2 and mod-8 up-counters. They view how this binary counter can be modified to operate at different modulus counts. A quiz completes the activity.

The 4-Input Truth Table

In this learning activity you'll practice using the 4-input truth table.

The Dial Caliper

Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.

Synchronous & Asynchronous Inputs on a JK Flip-Flop

Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

Zero Acceptance Number Sampling Plans, c=0

By John Stewart

In this interactive object, learners read about sampling plans and practice using a sampling table.

Hexadecimal Number Conversion Practice Problems

In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.

Everyone Knows How to Use a Ruler, Right?

Students review the best practices for using a ruler and answer five basic questions.

Presetting and Clearing a Flip-Flop

In this animated activity, learners view how to clear and preset a flip-flop to store a logic 0 or a logic 1.

Building a Binary Counter with a JK Flip-Flop

In this animated activity, learners examine the construction of a binary counter using a JK flip-flop. The ability of the JK flip-flop to "toggle" Q is also viewed.

Calculating Blank Size for Rolled Sheet Metal

In this interactive object, students read how to calculate the blank size for cylinders in a three-roll pinch roller. A calculator is required for the brief quiz that completes the activity.

Karnaugh Maps

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

Sine Bar

In this learning activity you'll examine how a sine bar is used to measure angles.

Quality Basics: Customer Requirements and Specifications

By Mary Lee Rudnick-Kaun

In this learning activity you'll describe customer requirements and specifications as they relate to "Quality" in an organization.

Clock Pulse Triggering of Flip-Flops

This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

The JK Flip-Flop

In this animated activity, learners view the input and output leads of a JK flip-flop. They also see how it functions in each mode of operation. A brief quiz completes the learning object.

Timing Diagrams

The explanation and use of timing diagrams used in digital electronics to graphically show the operation of various circuits are given.

A Sample Exam for Digital Electronics

Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Binary to Decimal Number Conversion

In this learning activity you'll practice calculating the between the binary number system and the decimal number system.

Hexadecimal Numbering System

In this learning activity you'll review the hexadecimal numbering system.

Cascading Magnitude Comparators

Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.